Ta có:
A = 333444 = (111.3)444 = 111444.3444 = 111333.111111.3444
B = 444333 = 111333.4333 = 111333.(43)111 = 111333.64111
Vì 111333.111111.3444 > 111333.64111
=> 333444 > 444333
=> A > B
Ta có:
A = 333444 = (111.3)444 = 111444.3444 = 111333.111111.3444
B = 444333 = 111333.4333 = 111333.(43)111 = 111333.64111
Vì 111333.111111.3444 > 111333.64111
=> 333444 > 444333
=> A > B
a)cho a,b,n thuoc N*.hay so a=n/b=n va a/b so sanh
b)choA=10^11-1/10^12-1;B=10^10+1/10^11+1.So sanh A va B
cho a,b,m e N , b, m # 0
a, biet a/b <1 . hay so sanh a/b va a+m/b+m
b, biet a/b >1 . hay so sanh a/b va a+m/b+m
a chia het chob va b chia het cho a voi a va b la cac so tu nhien so sanh a va b
cho a=2000x2009 va b=2004x2005
so sanh a va b
a chia het cho b
b chia het cho a
b va a la so nguyen
so sanh a va b
A = ( x+y)-(z+t)
B = ( x-z)+(y-t)
( A va B la hai so nguyen, so sanh A va B)
so sanh a/b va a+2017/b+2018
so sanh a/b va a+n/b+n
so sanh A va B biet :A=2011^2012-2011^2011 va b=2011^2013-2011^2012
Cho A=1.2+2.3+3.4+4.5+............+2017.2018 va B=2018 mu3/3 So sanh A va B